/*
 * Copyright 2013-2020 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.cloud.aws.core.region;

import com.amazonaws.regions.DefaultAwsRegionProviderChain;
import com.amazonaws.regions.Region;
import com.amazonaws.regions.RegionUtils;

/**
 * {@link RegionProvider} implementation that delegates to
 * {@link DefaultAwsRegionProviderChain} enabling loading region configuration from
 * environment variables, system properties, AWS profile, and instance metadata.
 *
 * @author Maciej Walkowiak
 * @since 1.0
 */
public class DefaultAwsRegionProviderChainDelegate implements RegionProvider {

	private final DefaultAwsRegionProviderChain delegate = new DefaultAwsRegionProviderChain();

	@Override
	public Region getRegion() {
		return RegionUtils.getRegion(delegate.getRegion());
	}

}
